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Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 am Thursday 11 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
10.1° C
(Which is normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 10AM is: 2.5m 9s primary swell from a Southwest direction (forecast issued at 05:00am December 11). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 8ft (2.5m) | 9s |
| Afternoon (11 Dec) | 8ft (2.5m) | 10s |
| Evening (11 Dec) | 7ft (2.1m) | 13s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 9 | 10 | 11 | 13 | 13 | 13 | 14 | 14 | 13 | 19 | 18 | 18 | 10 | 17 | 6 | 6 | 7 | 8 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 640 | 899 | 1094 | 1187 | 1271 | 1376 | 1413 | 1191 | 905 | 754 | 626 | 525 | 1426 | 1660 | 1571 | 424 | 168 | 178 | 328 | 641 | 955 | 1110 | 1254 | 1283 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | cross | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:44PM 3.73 | 1:23AM 3.08 | 1:50PM 3.47 | 2:37AM 2.97 | 3:03PM 3.31 | |||||||||||||||||||
Low Tide / height (m) | 7:30AM 1.11 | 8:19PM 0.90 | 8:27AM 1.27 | 9:18PM 1.05 | 9:29AM 1.37 | 10:19PM 1.13 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 8:18 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:01 | - | - | - |
 | |  | | |  | |  | |  | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | - | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 10 | 11 | 10 | 12 | 12 | 12 | 11 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 |
| Feels °C (?) | 1 | 1 | 0 | 2 | 3 | 4 | 4 | 5 | 4 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 2 | 1 | 0 | -1 | -2 | -1 | 1 | 1 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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